Latest captures:
705 at Zernez, Sep 2, 2021
707 at Klosters Serneus, Sep 2, 2021
707 at Pontresina, Sep 2, 2021
703 at Bever, Sep 2, 2021
Older captures:
704 at Landwasser Viaduct, Jun 22, 2007
702 at Filisur, Dec 21, 2008
706 at Berguen, Dec 23, 2008
silvan discovered on Dec 2, 2010
